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(Newser)
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With the cost of startups falling, more and more entrepreneurs are hedging their bets by developing two or more projects at once. Joshua Rosen, who is planning to launch two different companies at technology conference DEMO tomorrow, lets MarketWatch take a look. “We see a lot of serial entrepreneurs,” said a DEMO exec, but Rosen “is the first simultaneous entrepreneur."

Rosen's companies, Cozimo and Notebookz.com, both involve online collaboration, and each has just a handful of employees. Rosen isn’t worried about scaring off investors who might consider starting just one company a full-time job: "They just want to know that here is a potentially huge market in both sectors."